Fire escape – ladder – or scaffold – Platform with elevating or lowering means
Patent
1977-03-28
1978-12-19
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Platform with elevating or lowering means
182 63, 187 18, 52109, E04G 122
Patent
active
041301781
ABSTRACT:
An elevating device is described having one or more pairs of crossed scissors members, each member having at least two telescoping sections. The scissors members are mounted for pivotal movement with respect to each other, and means are included for interconnecting opposed scissors members for effecting extension of the telescoping sections in response to the pivoting of the scissors members.
REFERENCES:
patent: 3442351 (1969-05-01), Parrish
patent: 3596735 (1971-08-01), Denier
patent: 3820631 (1974-06-01), King
LandOfFree
Elevating device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Elevating device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Elevating device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2370405